<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="https://cdn.staticfile.org/vue/2.2.2/vue.min.js"></script>
</head>
<body>
<div id="app">

    <ol>
        <todo-item v-for="item in sites" v-bind:todo="item"></todo-item>
    </ol>
</div>
</body>
<script>

    Vue.component('todo-item', {
        props: ['todo'],
        template: '<li>{{todo.text}}</li>'
    })
    new Vue({
        el: '#app',
        data: {
            sites: [
                {text: '111'},
                {text: '222'},
                {text: '333'}
            ]
        }
    })
</script>
</html>